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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... Polarstern in October and December 1987. Preliminary results indicate rather stable stock compositions in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... SURVEY AROUND ELEPHANT ISLAND IN OCTOBER AND DECEMBER 1987 K.-H. Kock Abstract A total of 40 ... bottom trawl hauls was carried out onboard RV Po/arstern in October and December 1987. Preliminary ... results indicate rather stable stock compositions in Chaenocepha/us aceratus, Notothenia gibberifrons ... and N. neg/ecta at least since February 1985. In N. rossii the proportion of larger (= older) fish in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Автор(ы): Kock, K.-H.
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The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns
Paper Title: The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ... , 1960). In the southern hemisphere the positive values of the latitudinal and longitudinal gradients ... . 10 (2003): 1–13 THE SOVIET KRILL FISHERY IN THE ATLANTIC SECTOR OF THE ANTARCTIC FROM 1977 TO 1991 ... Abstract Data on the Soviet krill fi shery in the Atlantic Sector of the Antarctic from 1977 to 1992 are ... discussed. The total fi shing effort from 1977 to 1991 was 50 086 vessel-days fi shed, in Subareas 48.3 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Автор(ы): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
Paper Title: Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the ... Bay) at 38, 120 and 200 kHz in May 2007 and in February 2009. Overall ex situ TS–TL relationships were ... TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl experiments targeted at juveniles and post ... -larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... in the TS–TL regression line (|Rcr| for the nine tri- als was 0.666; Table 7 in Crow et al., 1960 ... sTrengTh sTudies on anTarcTic silverfish (Pleuragramma antarcticum) in The ross sea M. Azzali, I ... 110 to 202.5 mm were measured ex situ (Ancona Bay) at 38, 120 and 200 kHz in May 2007 and in February ... = 34.75Log TL(cm) –84.20 (N = 19); TS200 = 26.71Log TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Автор(ы): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
Paper Title: Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... eleginoides) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian ... principal fish species in the diet of D. eleginoides on the Argentinian continental shelf were nototheniids ... (Zoarcidae, Moridae, Bathydraconidae, Channichthyidae) and on Decapoda, while juveniles in coastal waters ... FEEDING ECOLOGY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) IN THE SOUTHWESTERN ATLANTIC S.B ... investigated in two offshore regions in the southwestern Atlantic: on the Argentinian continental shelf/slope ... species in the diet of D. elegii~oidcs on the Argentinian contine~~tal shelf were nototheniids (e.g ... , Bathydraconidae, Channichthyidae) and on Decapoda, while juveniles in coastal waters consumed lcrill and, in ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Автор(ы): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Selectivity of commercial and research trawls in relation to krill
Paper Title: Selectivity of commercial and research trawls in relation to krill Abstract ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... mean length in catches made by both trawls was ∆L = 6.2 mm. Statistically significant variability in ... krill length composition was observed between catches made by the research trawl, while in commercial ... COMMERCIAL AND RESEARCH TRAWLS IN RELATION TO KRILL S.M. Kasatkina Atlantic Research Institute of Marine ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ... length in catches made by both trawls was AL = 6.2 mm. Statistically significant variability in krill ... length composition was observed between catches made by the research trawl, while in commercial trawl ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Автор(ы): Kasatkina, S.M
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
Paper Title: Evidence to support the annual formation of growth zones in otoliths of Antarctic ... annually in the otoliths of this species. However, no evidence to validate this assumption has previously ... been presented. In the current work, otoliths from four distinct juvenile length-frequency modes were ... in each consecutive mode. This indicates that the modes represented year classes and that one ... (2003): 125–138 125 EVIDENCE TO SUPPORT THE ANNUAL FORMATION OF GROWTH ZONES IN OTOLITHS OF ... that one translucent zone is formed annually in the otoliths of this species. However, no evidence to ... validate this assumption has previously been presented. In the current work, otoliths from four distinct ... consistent within modes, and increased by one in each consecutive mode. This indicates that the modes ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Автор(ы): Horn, P.L., C.P. Sutton and A.L. DeVries
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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
Paper Title: Assessments of by-catch in trawl fisheries at Heard and McDonald Islands Abstract ... / Description: This paper assesses the potential for the commercial trawl fisheries in the Heard Island area ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... ASSESSMENTS OF BY-CATCH IN TRAWL FISHERIES AT HEARD AND MCDONALD ISLANDS A.J. Constable, R. Williams and ... Abstract This paper assesses the potential for the commercial trawl fisheries in the Heard Island area ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Автор(ы): Constable, A.J., R. Williams and W.K. de la Mare
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
, Macrouridae) in the Ross Sea region Abstract / Description: Samples collected in 2008 led to the ... in the Ross Sea region is presented. The number of rays in the left pelvic fin and number of rows of ... teeth in the lower jaw allowed the two species to be distinguished both in the laboratory and by ... CCAMLR Subareas 88.1 and 88.2. There was a small but significant increase in the proportion of M ... Fishing for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region of the Southern Ocean ... (CCAMLR Subareas 88.1 and 88.2) began in 1997 and is managed by CCAMLR with a spe- cific requirement to ... , Family Macrouridae) are the main by-catch in the toothfish fishery in the Ross Sea region, with a catch ... of 10 tonnes reported in 1998 which increased to 480 tonnes in 2005 (Hanchet et al., 2008a ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Автор(ы): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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Estimating optimal observer coverage in the Antarctic krill fishery
Paper Title: Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... by-catch. A partial coverage sampling program has been implemented in South Georgia since 2002 ... Estimating optimal obsErvEr covEragE in thE antarctic krill fishEry D.J. Agnew1, P. Grove2, T. Peatman1 ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... reliably estimate parameters of interest, in this case the mean (or median) krill length and the rate of ... larval fish by-catch. A partial coverage sampling program has been implemented in South Georgia since ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Автор(ы): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
Paper Title: A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in ... the RV Vozrozhdenie (VNIRO, USSR) in March/April 1990 an integrated study survey was conducted in the ... Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... of E. carlsbergi were analysed by length composition, sex ratio and maturity stages in relation to ... CARLSBERGI (TANING, 1932) AREA OF HABITAT IN RELATION TO THE LATITUDINAL ZONATION OF THE SOUTHERN OCEAN ... A.V. Zemsky and S.A. Zozulya* Abstract During the cruise of the RV Vozrozhdenie (VNIRO, USSR) in ... March/April 1990 an integrated study survey was conducted in the Southern Atlantic along two meridional ... transects at 17° and 200W in the latitudes from 37°30' to 55°30'S. The survey was mainly focussed on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Автор(ы): Zemsky, A.V. and S.A. Zozulya
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